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typeracer

Pit Stop
Racer Ritchie (kuupper)
Race Number 399
Date Wed, 27 Mar 2019 23:43:48
Speed 73 WPM Try to beat?
Accuracy 98.1%
Rank 1st place (out of 5)
Opponents bamamoma (4th place)

Text typed:

A train equipped with, say, two dc motors, is started with both motors connected in series to an external resistor. As the speed picks up, the resistor is shorted out. The motors are then paralleled and connected in series with another resistor. Finally, the last resistor is shorted out, as the train reaches its nominal torque and speed.
— (book) by Theodore Wildi (see stats)

Typing Review: